Profile: Western Abrasive Industries Pvt. Ltd. provides abrasives and polishing compounds. Synthetic crown emery is low grade black fused alumina abrasive which is suitable for matting, cutting & polishing applications. It is widely used in mild steel, stainless steel, glass polishing & blinding, flooring as floor hardener, emery paper/cloth, flour mill stones and in sand blasting. It contains 55-60 % Al203. It is produced by smelting low grade bauxite in cupolas at high temperatures. The cooled crude is further crushed and classified in to narrow size fractions as per the requirement of applications.